playbook.yml

- name: Deploy project
  hosts: all
  vars:
    ansible_python_interpreter: /usr/bin/python3
  become: yes
  become_user: root
  become_method: sudo
  gather_facts: no

  tasks:
    - name: Install required packages
      apt:
        update_cache: yes
        name: "{{ packages }}"
      vars:
        packages:
          - python3-pip
          - postgresql
          - postgresql-contrib
          - libpq-dev
          - nginx

    - name: Symlink python
      file:
        src: /usr/bin/python3
        dest: /usr/bin/python
        state: link
        owner: root
        group: root
        
    - name: Install python requirements
      command: "pip3 install {{ item }}"
      loop:
        - django
        - social-auth-app-django
        - django-material
        - gunicorn
        - psycopg2-binary

    - name: Enable passwordless sudo
      lineinfile: 
        dest: /etc/sudoers
        regexp: '^vagrant'
        line: 'vagrant ALL=(postgres) NOPASSWD:/bin/sh'

    - name: Create a PostgreSQL database user
      postgresql_user:
        name: vagrant
        password: vagrant-secret
        role_attr_flags: CREATEDB
        state: present
      become: yes
      become_user: postgres
      
    - name: Create a PostgreSQL database
      postgresql_db:
        name: coding_task
      become: yes
      become_user: postgres
      
    - name: Copy nginx.conf
      copy: 
        src: deploy/nginx.conf
        dest: /etc/nginx/
        owner: root
        group: root
        mode: 0644

    - name: Copy gunicorn socket/service
      copy: 
        src: deploy/{{ item }}
        dest: /etc/systemd/system/
        owner: root
        group: root
        mode: 0644
      loop: 
        - gunicorn.socket
        - gunicorn.service
        
    - name: Copy gunicorn.conf
      copy: 
        src: deploy/gunicorn.conf
        dest: /etc/tmpfiles.d/
        owner: root
        group: root
        mode: 0644
         
    - name: Copy project
      copy: 
        src: codingtask
        dest: /home/vagrant/
        owner: vagrant
        group: vagrant
    
    - name: Make manage.py executable
      file:
        path: /home/vagrant/codingtask/manage.py
        mode: 0755
        
    - name: Collect statics and Make migrations
      command: "/home/vagrant/codingtask/manage.py {{ item }} --no-input"
      become: true
      become_user: vagrant
      loop:
        - collectstatic
        - makemigrations
        - migrate 
        
    - name: Enable Gunicorn 
      systemd:
        daemon_reload: yes
        name: "{{ item }}"
        enabled: yes
        state: started
      loop:
        - gunicorn.socket
        - gunicorn.service

    - name: Restart Nginx
      systemd:
        name: nginx
        enabled: yes
        state: restarted